Novel support plate positioning device

Abstract

The utility model discloses a novel support plate positioning device which comprises a cross rod, a fixing seat is fixedly welded on one side of the cross rod, according to the novel support plate positioning device, the positions of a bottom die and a supporting plate can be conveniently fixed by rotating a screwing nut, a wing nut and a protective sleeve, the upper end of a screw can be shielded and protected through the design of the protective sleeve, and the supporting plate can be conveniently fixed. When a steel structure of a beam body is subjected to initial tensioning operation, the bottom die and the supporting plate are driven to be detached by rotating the transverse rod, the wing nut is left in the concrete body of the beam body for a long time, the detachable part can be continuously used, the sealing performance can be improved through the design of a gasket, a sealing ring and a sealing ring, and the service life of the screw rod is prolonged. Concrete leakage is prevented; the threaded rod is driven to rotate by rotating the nut, the gasket is driven to be tightly attached to the bottom die for supporting, the supporting range can be expanded, the supporting stability is improved, the threaded rod can rotate conveniently through the design of the small ball and the supporting base, and the bearing plate is prevented from being driven to rotate and abrasion of the bottom die is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical foundation parts and manufacturing, in particular to a novel support plate positioning device. Background Art

[0002] In the production process of post-tensioned prestressed concrete simply supported beams, the following measures are usually adopted to position the bearing plate: Method 1: Insert the positioning bolts from the bottom of the bearing plate, and connect them with the nuts on the top of the bearing plate through threads for positioning; Method 2: Insert the positioning bolts from the top of the bearing plate, and connect them with the nuts on the bottom of the bearing plate through threads for positioning; Method 3: Use round steel with a bent hook to penetrate the bearing plate from top to bottom.

[0003] At present, the existing utility model support plate positioning device has accurate and firm positioning, preventing the bottom mold from deformation; it is easy to disassemble, greatly reducing the damage to the bottom mold, and the detachable part can be reused, saving raw materials and labor costs; it solves the disadvantage that ordinary nuts are easy to rotate with the screw shaft; and it can greatly improve the quality of the beam structure.

[0004] For example, a support plate positioning device disclosed in the authorization number CN206367087U includes: a high-strength bolt, a nut, a fixing nut and a crossbar; the high-strength bolt is composed of a head and a cylindrical screw part, and a continuous thread is provided from the free end to the middle position of the screw part; the radial midpoint of the crossbar is fixed at the center of the head of the high-strength bolt; the fixing nut is inserted into and welded to the screw part of the high-strength bolt, so that the free end of the screw part is more than 40 mm away from the fixing nut; the nut is matched with the thread of the screw part of the high-strength bolt. However, in such a support plate positioning device, the upper end of the concrete-adhered screw is difficult to rotate and remove, and the stability of the bottom mold and the support plate supported by a single bolt is poor.

[0005] It can be seen from the solutions disclosed in the above-mentioned existing patent documents that the upper end of the concrete-adhered screw is difficult to rotate and remove, and the stability of the bottom form and the supporting plate supported by a single bolt is poor. Therefore, it is necessary to improve the existing technology. Utility Model Content

[0006] The utility model aims to provide a novel support plate positioning device to solve the problem that the upper end of the concrete-adhered screw is difficult to rotate and remove, and the stability of the bottom mold and the support plate supported by a single bolt is poor.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of support plate positioning device, comprising a cross bar, a fixing seat is fixedly welded on one side of the cross bar, a screw is fixedly welded on one side of the fixing seat, a nut is threadedly connected to the outer side of the screw, a gasket is sleeved on the outer side of the screw, a sealing ring is sleeved on the outer side of the screw, a Yuanbao nut is threadedly connected to the outer side of the upper end of the screw, a sealing ring is sleeved on the outer side of the screw, a nut is tightly attached to the lower end surface of the cross bar, a threaded rod is fixedly connected to the upper end of the nut, a small ball is fixedly welded on the upper end of the threaded rod, a support seat is slidably sleeved on the outer side of the upper end of the threaded rod, and a bearing plate is fixedly connected to the upper end of the support seat.

[0008] Preferably, the upper end surface of the sealing ring is in close contact with the Yuanbao nut, and the upper end of the Yuanbao nut is in close contact with a sealing ring, and the position of the bottom mold and the support plate can be conveniently fixed by rotating and tightening the nut, the Yuanbao nut and the protective sleeve.

[0009] Preferably, a support plate is sleeved on the outer side of the screw, and a protective sleeve is tightly attached to the upper end of the sealing ring. The design of the protective sleeve can shield and protect the upper end of the screw to prevent concrete from adhering to the upper end of the screw and making it difficult to rotate and remove.

[0010] Preferably, the upper end surface of the gasket is tightly attached to a sealing ring, and the upper end of the nut is tightly attached to a bottom formwork. When the steel structure of the beam body is initially tensioned, the bottom formwork and the support plate are removed by rotating the cross bar. The Yuanbao nut remains in the concrete body of the beam body for a long time, and the detachable part can continue to be used.

[0011] Preferably, a bottom mold is sleeved on the outer side of the screw rod, the upper end surface of the bottom mold is tightly attached to a support plate, the upper end surface of the support plate is tightly attached to a gasket, and the design of the gasket, sealing ring and sealing ring can increase the sealing performance and prevent concrete leakage.

[0012] Preferably, the interior of the cross bar is connected to a threaded rod via a threaded connection, and the upper end of the threaded rod is connected to a protective sleeve via a threaded connection. The threaded rod is driven to rotate by rotating the nut, and the gasket is driven to closely support the bottom mold, which can expand the support range and improve the support stability.

[0013] Preferably, the outer side of the ball is slidably sleeved on a carrier plate, and the upper end surface of the carrier plate is tightly attached to a bottom mold. The design of the ball and the support seat can facilitate the rotation of the threaded rod and prevent the carrier plate from rotating and the bottom mold from being worn.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The upper end surface of the sealing ring of the utility model is in close contact with the Yuanbao nut, and the upper end of the Yuanbao nut is in close contact with the sealing ring. By rotating and tightening the nut, the Yuanbao nut and the protective sleeve, the position of the bottom mold and the support plate can be conveniently fixed.

[0016] 2. The outer side of the screw of the utility model is sleeved with a support plate, and the upper end of the sealing ring is tightly attached with a protective sleeve. The design of the protective sleeve can shield and protect the upper end of the screw to prevent concrete from adhering to the upper end of the screw and making it difficult to rotate and remove.

[0017] 3. The upper end surface of the gasket of the utility model is tightly attached to the sealing ring, and the upper end of the nut is tightly attached to the bottom mold. When the steel structure of the beam body is initially tensioned, the bottom mold and the support plate are removed by rotating the cross bar. The Yuanbao nut remains in the concrete body of the beam body for a long time, and the detachable part can continue to be used.

[0018] 4. The outer side of the screw rod of the utility model is sleeved with a bottom mold, the upper end surface of the bottom mold is tightly attached to a support plate, the upper end surface of the support plate is tightly attached to a gasket, and the design of the gasket, sealing ring and sealing ring can increase the sealing performance and prevent concrete leakage.

[0019] 5. The interior of the cross bar of the utility model is connected to the threaded rod through threads, and the upper end of the threaded rod is connected to a protective sleeve through threads. The threaded rod is driven to rotate by turning the nut, and the gasket is driven to closely support the bottom mold, which can expand the support range and improve the support stability.

[0020] 6. The outer side of the small ball of the utility model is slidably sleeved on the bearing plate, and the upper end surface of the bearing plate is tightly attached to the bottom mold. The design of the small ball and the support seat can facilitate the rotation of the threaded rod to prevent the bearing plate from rotating and the bottom mold from being worn. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is an enlarged view of the protective cover of the utility model;

[0023] Figure 3 This is an enlarged cross-sectional view of point A of the utility model;

[0024] Figure 4 It is an enlarged stereogram of the utility model.

[0025] In the figure: 1 cross bar, 11 fixing seat, 12 screw rod, 13 nut, 14 gasket, 15 sealing ring, 16 Yuanbao nut, 17 sealing ring, 18 protective sleeve, 19 bottom mold, 110 support plate, 2 nut, 21 threaded rod, 22 small ball, 23 support seat, 24 bearing plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] See also Figure 1-4 A new type of support plate positioning device shown in the figure includes a cross bar 1, a fixing seat 11 is fixedly welded on one side of the cross bar 1, a screw 12 is fixedly welded on one side of the fixing seat 11, a nut 13 is threadedly connected to the outer side of the screw 12, a gasket 14 is sleeved on the outer side of the screw 12, a sealing ring 15 is sleeved on the outer side of the screw 12, a Yuanbao nut 16 is threadedly connected to the outer side of the upper end of the screw 12, a sealing ring 17 is sleeved on the outer side of the screw 12, a nut 2 is tightly attached to the lower end surface of the cross bar 1, a threaded rod 21 is fixedly connected to the upper end of the nut 2, a small ball 22 is fixedly welded to the upper end of the threaded rod 21, a support seat 23 is slidably sleeved on the outer side of the upper end of the threaded rod 21, and a bearing plate 24 is fixedly connected to the upper end of the support seat 23.

[0029] In order to prevent the concrete from adhering to the upper end of the screw 12 and making it difficult to rotate and remove, the upper end face of the sealing ring 15 is in close contact with the ingot nut 16, and the upper end of the ingot nut 16 is in close contact with the sealing ring 17. By rotating and tightening the nut 13, the ingot nut 16 and the protective sleeve 18, the bottom mold 19 and the support plate 110 are conveniently fixed. The outer side of the screw 12 is sleeved with the support plate 110, and the upper end of the sealing ring 17 is in close contact with the protective sleeve 18. The design of the protective sleeve 18 can shield and protect the upper end of the screw 12 to prevent the concrete from adhering to the upper end of the screw 12 and making it difficult to rotate and remove. The upper end face of the gasket 14 is in close contact with the sealing ring 15, and the upper end of the nut 13 is in close contact with the bottom mold 19. When the steel structure of the beam body is initially tensioned, the bottom mold 19 and the support plate 110 can be removed by rotating the cross bar 1, and the ingot nut 16 remains in the concrete body of the beam body for a long time, and the detachable part can continue to be used.

[0030] In this embodiment, by rotating the tightening nut 13, the ingot nut 16 and the protective sleeve 18, the position of the bottom form 19 and the support plate 110 can be conveniently fixed. The design of the protective sleeve 18 can shield and protect the upper end of the screw 12 to prevent the concrete from adhering to the upper end of the screw 12 and making it difficult to rotate and remove it. When the steel structure of the beam is initially tensioned, the bottom form 19 and the support plate 110 can be removed by rotating the cross bar 1, and the ingot nut 16 remains in the concrete body of the beam for a long time, and the detachable part can continue to be used.

[0031] Example 2

[0032] See also Figure 1-4 , this embodiment further explains Example 1. The figure shows a new type of support plate positioning device, including a cross bar 1, a fixing seat 11 is fixedly welded on one side of the cross bar 1, a screw 12 is fixedly welded on one side of the fixing seat 11, a nut 13 is threadedly connected to the outer side of the screw 12, a gasket 14 is sleeved on the outer side of the screw 12, a sealing ring 15 is sleeved on the outer side of the screw 12, a Yuanbao nut 16 is threadedly connected to the outer side of the upper end of the screw 12, a sealing ring 17 is sleeved on the outer side of the screw 12, a nut 2 is tightly attached to the lower end surface of the cross bar 1, a threaded rod 21 is fixedly connected to the upper end of the nut 2, a small ball 22 is fixedly welded to the upper end of the threaded rod 21, a support seat 23 is slidably sleeved on the outer side of the upper end of the threaded rod 21, and a bearing plate 24 is fixedly connected to the upper end of the support seat 23.

[0033] In order to improve the support stability, the outer side of the screw rod 12 is sleeved with a bottom mold 19, and the upper end surface of the bottom mold 19 is tightly attached to a support plate 110. The upper end surface of the support plate 110 is tightly attached to the gasket 14. The design of the gasket 14, the sealing ring 15 and the sealing ring 17 can increase the sealing performance and prevent concrete leakage. The inside of the cross bar 1 is connected to the threaded rod 21 by a thread, and the upper end of the screw rod 12 is connected to a protective sleeve 18 by a thread. The threaded rod 21 is driven to rotate by rotating the nut 2, and the gasket 14 is driven to support the bottom mold 19 tightly, which can expand the support range and improve the support stability. The outer side of the ball 22 is slidably sleeved with a bearing plate 24, and the upper end surface of the bearing plate 24 is tightly attached to the bottom mold 19. The design of the ball 22 and the support seat 23 can facilitate the rotation of the threaded rod 21 to prevent the bearing plate 24 from rotating and wearing the bottom mold 19.

[0034] In this embodiment, the design of the gasket 14, the sealing ring 15 and the sealing ring 17 can increase the sealing performance and prevent concrete leakage. By rotating the nut 2, the threaded rod 21 is driven to rotate, and the gasket 14 is driven to support the bottom mold 19 tightly, which can expand the support range and improve the support stability. The design of the small ball 22 and the support seat 23 can facilitate the rotation of the threaded rod 21 and prevent the bearing plate 24 from rotating and wearing the bottom mold 19.

[0035] The novel support plate positioning device can conveniently fix the position of the bottom mold 19 and the support plate 110 by rotating and tightening the nut 13, the ingot nut 16 and the protective sleeve 18. The design of the protective sleeve 18 can shield and protect the upper end of the screw rod 12 to prevent the concrete from adhering to the upper end of the screw 12 and making it difficult to rotate and remove. When the steel structure of the beam body is initially tensioned, the bottom mold 19 and the support plate 110 can be removed by rotating the cross bar 1. The ingot nut 16 remains in the concrete body of the beam body for a long time, and the detachable part can continue to be used. The design of the gasket 14, the sealing ring 15 and the sealing ring 17 can increase the sealing performance and prevent concrete leakage. The threaded rod 21 can be driven to rotate by rotating the nut 2, and the gasket 14 can be driven to support the bottom mold 19 closely, which can expand the support range and improve the support stability. The design of the small ball 22 and the support seat 23 can facilitate the rotation of the threaded rod 21 to prevent the bearing plate 24 from rotating and wearing the bottom mold 19.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel support plate positioning device, comprising a cross bar (1), characterized in that: A fixing seat (11) is fixedly welded to one side of the cross bar (1), a screw rod (12) is fixedly welded to one side of the fixing seat (11), a nut (13) is threadedly connected to the outer side of the screw rod (12), a gasket (14) is sleeved on the outer side of the screw rod (12), a sealing ring (15) is sleeved on the outer side of the screw rod (12), a nut (16) is threadedly connected to the outer side of the upper end of the screw rod (12), a sealing ring (17) is sleeved on the outer side of the screw rod (12), a nut (2) is tightly attached to the lower end surface of the cross bar (1), a threaded rod (21) is fixedly connected to the upper end of the nut (2), a small ball (22) is fixedly welded to the upper end of the threaded rod (21), a support seat (23) is slidably sleeved on the outer side of the upper end of the threaded rod (21), and a bearing plate (24) is fixedly connected to the upper end of the support seat (23).

2. A novel support plate positioning device according to claim 1, characterized in that: The upper end surface of the sealing ring (15) is in close contact with the ingot nut (16), and the upper end of the ingot nut (16) is in close contact with a sealing ring (17).

3. A novel support plate positioning device according to claim 1, characterized in that: A support plate (110) is sleeved on the outer side of the screw rod (12), and a protective sleeve (18) is tightly attached to the upper end of the sealing ring (17).

4. A novel support plate positioning device according to claim 1, characterized in that: The upper end surface of the gasket (14) is in close contact with a sealing ring (15), and the upper end of the nut (13) is in close contact with a bottom mold (19).

5. A novel support plate positioning device according to claim 1, characterized in that: The outer side of the screw rod (12) is sleeved with a bottom mold (19), the upper end surface of the bottom mold (19) is tightly attached to a support plate (110), and the upper end surface of the support plate (110) is tightly attached to a gasket (14).

6. A novel support plate positioning device according to claim 1, characterized in that: The interior of the cross bar (1) is connected to a threaded rod (21) via a thread, and the upper end of the screw rod (12) is connected to a protective sleeve (18) via a thread.

7. A novel support plate positioning device according to claim 1, characterized in that: The outer side of the small ball (22) is slidably sleeved on a bearing plate (24), and the upper end surface of the bearing plate (24) is tightly attached to a bottom mold (19).

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